Phonograph needle, diamond, Astatic N794-sd, replaces: Tetrad 52, 54, 62, 64, A2, A4, B2, B4, C2, C4. Used in: Tetrad 52D, 52S, 54D, 54S, 62D, 62S, 64D, 64S, A2, B2, C2. Example: 6-A2D-C; 2-62D-Z2. Tips: .7 mil diamond and 3 mil synthetic sapphire. Speeds: 33, 45 & 78 RPM. New old stock. We open packages and micro-scope inspect new old stock to verify quality.
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IF YOU ARE PURCHASING A NEEDLE
Model numbers are provided in manufacturer's references for the cartridge they installed in those models. If the cartridge has been changed by a dealer or user, this needle will not be correct for the model numbers listed, as it is the cartridge that determines what needle is needed. Be sure it looks like your old needle.